Titanium Ti-6Al-2Sn-4Zr-6Mo (Ti-6-2-4-6) STA-1

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Titanium Ti-6Al-2Sn-4Zr-6Mo (Ti-6-2-4-6) STA-1
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Alpha/Beta Titanium Alloy
Material Notes:	Information provided by Allvac and the references. Solution Treated 875ºC; Aged 595ºC. Alpha-Beta Alloy. Characteristics: High strength at elevated temperatures, heat-treatable, good hardenability, weldable. Applications: Intermediate-temperature jet engine applications. Blades, discs, spacers, seals. Forms typically available: Billet, bar, plate and sheet. 4 other heat treatments of this alloy are listed in MatWeb.
Key Words:	Ti-6246; Titanium 6-2-4-6; UNS R56260
Vendors:	TITANIUM ENGINEERS is your source for high strength, NACE titanium alloys, with a full range of stock sizes and sizes made to order. Our in-house metallurgical experts ensure the best alloy selection and process titanium to meet unique customer specifications. Please visit our website www.TitaniumEngineers.com for more information or call us at +1 281 265 2910 (USA) or +44 (0) 1675 464200 (UK). Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	4.65 g/cc	0.168 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	360	360	Estimated from Rockwell C.
Hardness, Knoop	392	392	Estimated from Rockwell C.
Hardness, Rockwell C	39	39
Hardness, Vickers	376	376	Estimated from Rockwell C.
Tensile Strength, Ultimate	1210 MPa	175000 psi
Tensile Strength, Yield	1120 MPa	162000 psi
Elongation at Break	13 %	13 %
Reduction of Area	37 %	37 %
Tensile Modulus	114 GPa	16500 ksi
Poissons Ratio	0.33	0.33	Typical for alpha-beta titanium alloy.
Fatigue Strength	250 MPa @# of Cycles 1.00e+7	36300 psi @# of Cycles 1.00e+7	notched
	620 MPa @# of Cycles 1.00e+7	89900 psi @# of Cycles 1.00e+7	Unnotched
Fracture Toughness	34.0 MPa-m½	30.9 ksi-in½	K(IC)
Shear Modulus	42.9 GPa	6220 ksi	Calculated from typical values.
Charpy Impact	9.50 J	7.01 ft-lb	V-notch

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000190 ohm-cm	0.000190 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	8.60 µm/m-°C @Temperature 20.0 °C	4.78 µin/in-°F @Temperature 68.0 °F
	9.90 µm/m-°C @Temperature 205 °C	5.50 µin/in-°F @Temperature 401 °F
	10.4 µm/m-°C @Temperature 540 °C	5.78 µin/in-°F @Temperature 1000 °F
Specific Heat Capacity	0.500 J/g-°C	0.120 BTU/lb-°F
Thermal Conductivity	7.70 W/m-K @Temperature 23.0 °C	53.4 BTU-in/hr-ft²-°F @Temperature 73.4 °F
	13.5 W/m-K @Temperature 540 °C	93.7 BTU-in/hr-ft²-°F @Temperature 1000 °F
Melting Point	1595 - 1675 °C	2903 - 3047 °F
Solidus	1595 °C	2903 °F
Liquidus	1675 °C	3047 °F
Beta Transus	935 °C	1720 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	6.0 %	6.0 %
Carbon, C	<= 0.040 %	<= 0.040 %
Iron, Fe	<= 0.15 %	<= 0.15 %
Molybdenum, Mo	6.0 %	6.0 %
Nitrogen, N	<= 0.040 %	<= 0.040 %
Oxygen, O	<= 0.12 %	<= 0.12 %
Tin, Sn	2.0 %	2.0 %
Titanium, Ti	82 %	82 %
Zirconium, Zr	4.0 %	4.0 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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ATI Allvac® 6-2-4-6 Titanium Alloy, Heat Treatment: 885°C (1625°F) + Age

MTP621 / 14234

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